| | Somers, CT | Richmond, VA | United States |
| Population | 10,398 | 225,676 | 329,725,481 |
| Female Population | 43.8% | 52.5% | 50.5% |
| Male Population | 56.2% | 47.5% | 49.5% |
| Median Age | 45.3 | 34.4 | 38.4 |
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| Population - 2010 | 11,440 | 204,375 | 309,327,143 |
| Population - 2000 | 10,417 | 197,790 | 285,036,114 |
| Population - 1990 | 9,108 | 203,056 | 251,960,433 |
| Pop. 2000 to Now | 3.1% | 17.4% | 15.6% |
| Pop. 1990 to Now | 17.9% | 14.4% | 30.8% |
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| Population Density | 366.5 | 3,766.7 | 93.4 |
| Land Area | 28.4 | 59.9 | 3,531,905.4 |
| Water Area | 0.1 | 2.7 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Somers, CT | Richmond, VA | United States |
| Age 0 to 4 | 4.4% | 5.7% | 5.9% |
| Age 5 to 9 | 6.3% | 4.9% | 6.1% |
| Age 10 to 14 | 6.1% | 4.4% | 6.6% |
| Age 15 to 17 | 3.6% | 2.4% | 3.9% |
| Age 18 to 20 | 3.3% | 5.3% | 4.0% |
| Age 21 to 24 | 3.2% | 6.4% | 5.2% |
| Age 25 to 34 | 10.8% | 21.8% | 13.8% |
| Age 35 to 44 | 11.8% | 12.6% | 12.9% |
| Age 45 to 54 | 15.0% | 10.7% | 12.6% |
| Age 55 to 59 | 9.7% | 6.2% | 6.7% |
| Age 60 to 64 | 6.8% | 6.2% | 6.3% |
| Age 65 to 74 | 10.8% | 8.3% | 9.6% |
| Age 75 to 84 | 6.1% | 3.2% | 4.5% |
| Age 85 and over | 2.1% | 1.7% | 1.9% |
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| Race | | | |
| | Somers, CT | Richmond, VA | United States |
| White | 83.1% | 41.4% | 59.4% |
| Black | 5.4% | 45.0% | 12.2% |
| Asian | 0.2% | 2.1% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 3.6% | 0.4% | 0.4% |
| Two or More Races | 1.7% | 3.6% | 3.2% |
| Hispanic | 5.8% | 7.3% | 18.4% |
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| Marriage & Family | | | |
| | Somers, CT | Richmond, VA | United States |
| Married Population | 55.3% | 32.2% | 49.8% |
| Currently Married | 53.9% | 29.4% | 48.0% |
| Married but Separated | 1.4% | 2.8% | 1.8% |
| Single Population | 44.7% | 67.8% | 50.2% |
| Never Married | 31.0% | 51.2% | 33.8% |
| Divorced | 8.5% | 11.4% | 10.8% |
| Widowed | 5.2% | 5.2% | 5.6% |
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| Household Size | 2.65 | 2.19 | 2.60 |
| Households | 3,340 | 98,821 | 124,010,992 |
| Family Households | 2,570 | 43,875 | 80,755,759 |
| Married couple, w/children | 31.2% | 19.9% | 30.5% |
| Married couple, no children | 56.1% | 37.4% | 42.9% |
| Non Family Households | 770 | 54,946 | 43,255,233 |
| Single householder, w/children | 7.7% | 24.4% | 15.8% |
| Single householder, no children | 4.9% | 18.3% | 10.8% |